can I use the slug from a different urls.py file?

Question

I'm trying to access a slug field from a different urls.py file, and I'm getting this error

FieldError at /new-api/tournaments/fifa-world-cup/teams/ Unsupported lookup 'custom_url' for ForeignKey or join on the field not permitted.

I'm wondering if the reason I'm getting this error is because you cant do that or if it's another reason

I have 2 files for urls, one includes the other in it,

urls.py (tournament)

urlpatterns = [ path("", views.getNewTournaments, name="tournaments"), path("<slug:custom_url>/", views.getNewTournament, name="tournament"), path("create/", views.postNewTournament, name="post-tournament"), path("<slug:custom_url>/teams/", include("teams.urls"), name="tournament-teams"), ]

urls.py (teams)

urlpatterns = [ path("", views.teams.as_view(), name="teams"), ]

Here are the views.py files

views.py (tournaments)

@api_view(["GET"]) def getNewTournaments(request): tournaments = NewTournament.objects.all() serializer = NewTournamentSerializer(tournaments, many=True) return Response(serializer.data)

views.py (teams)

class teams(APIView): def get(self, request, custom_url): teams = Team.objects.filter(tournament__custom_url=custom_url) serializer = TeamSerializer(teams, many=True) return Response(serializer.data)

This looks like DRF and I'm not yet familiar with DRF. Perhaps, you are trying to map your app urls to views before including it. I'm thinking path("<slug:custom_url>/teams/", include("teams.urls"), name="tournament-teams"), should be included in your project urls.py, just below path(admin/, admin.site.urls), — Uchenna Adubasim
– Uchenna Adubasim, Commented Jul 27, 2024 at 20:00
@16171413 I edited the post to add the DRF tag... sorry about that haha. But I edited the teams api to be like this ` class teams(APIView): def get(self, request, custom_url): # teams = Team.objects.filter(tournament__custom_url=custom_url) teams = Team.objects.all() serializer = TeamSerializer(teams, many=True) return Response(serializer.data)` And it let me see the data, so I'm assuming the problem is with the view trying to get the data — Martin Arreola
– Martin Arreola, Commented Jul 27, 2024 at 20:13
Note that create/ will never be called, since that is also a slug, so it will take the second path, not the third. — willeM_ Van Onsem
– willeM_ Van Onsem, Commented Jul 27, 2024 at 20:47
@willeM_VanOnsem so should I move it above the slug url? Also thanks for letting me know about that — Martin Arreola
– Martin Arreola, Commented Jul 28, 2024 at 1:41
@willeM_VanOnsem so I just tested it and your right, thanks for letting me know about that — Martin Arreola
– Martin Arreola, Commented Jul 28, 2024 at 4:25

Martin Arreola · Accepted Answer · 2024-07-27 20:21:44Z

So I realized that my error was my model for the teams had the past model version of the tournaments

Old

class Team(models.Model): tournament = models.ForeignKey(Tournament, on_delete=models.CASCADE)

New

class Team(models.Model): tournament = models.ForeignKey(NewTournament, on_delete=models.CASCADE)

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